饮食健康指南：越吃甜食人会越累-养生指导-君健网

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饮食健康指南：越吃甜食人会越累

发布时间：2011-03-16 来源：

下午四五点是办公室白领最疲惫的时刻，日本东京最新一项调查表明，这时人们通常会吃一些甜蜜的东西，不但补充体力，而且心情愉快。但甜蜜过了头，就可能让你身心俱疲。

哈尔滨医科大学第一临床医学院营养科主任阎雅更说，其实吃甜食是人的一种本能，很多人靠吃甜食来稳定心情或者迅速补充体力。

但如果甜食吃得太多了，可能适得其反。反而会导致大脑的运动迟缓，人会感觉到更加没有精神。

甜食中的葡萄糖和果糖可以迅速补充能量，但是也会引起肥胖。在日渐肥胖的状态下，人的疲劳感频率也会增多。

甜食的最终代谢产物是二氧化碳和水，二氧化碳是促使人们身体向酸性体质转化的物质，酸性体质常常会有疲劳感产生。

专家建议，当疲劳和饥饿感产生的时候，坚果和酸奶是最可靠的零食，不但能产生很强的饱腹感，还可以迅速补充能量，而且含有很多抗氧化物质，可对抗身体的疲劳和衰老。

另外，可以在办公室准备一包低糖的全麦饼干，全麦食品含有大量矿物质和维生素，如镁和B族维生素，能让人精力充沛。其丰富的粗纤维也可以一定程度上缓解白领因焦虑而产生的便秘。

少吃甜食不一定是杜绝甜食，适量的摄取甜食也能很快恢复体力，但是切忌零食以甜食为主。零食的总量也不能太多，当零食总量达到每天食物摄入量的1/5时，你的健康将会面临各种危机。

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